In-store demonstrator

There's lots of work for confident, personable people in supermarkets and department stores. You might be required to show off your ironing skills, hold a food tasting or demonstrate a new kitchen gadget, for example. Hours are often in the evenings or during weekends so can fit around your studies.

Average pay: varies, but can be up to £10 an hour.
More info: search for 'field marketing agencies' on the Internet.